| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] [Wh det] [is] | 28 |
|
| 2 | it [verb] what [is] | 26 |
|
| 3 | it [verb] [Wh det] is | 23 |
|
| 4 | it [verb] [Wh det] 's | 7 |
|
